Bossun tries to answer when nature calls, but it seems the world is bent on keeping him away from a toilet. Then, Tsubaki comes to the Sket-dan for help on yet another art project, this time a Student Council recruitment manga!
Kain-kun is no robot! He's human-nya!
Kain-kun no es nyan-gún robot.
O Kain não é um robô!
 É humano, miau!